NORTHWEST AIRLINES, INC.
                 SECOND AMENDMENT TO SECOND AMENDED AND RESTATED
                                AIRPORT AGREEMENT
         This Second Amendment to Second Amended and Restated Airport 
Agreement (this "Amendment") made and entered into this 26th day of June, 
1998, by and between the County of ▇▇▇▇▇, a Michigan Charter County, by and 
through its Chief Executive Officer, hereinafter referred to as "Lessor", and 
Northwest Airlines, Inc., a Minnesota corporation, hereinafter referred to as 
"Lessee".
         Witnesseth:
         WHEREAS, Lessor and Lessee are parties to that certain Second 
Amended and Restated Airport Agreement dated as of October 10, 1996 (the 
"Second Amended and Restated Airport Agreement"), as amended, which is 
scheduled to become effective upon the Date of Beneficial Occupancy of the 
Midfield Terminal (as such terms are defined in the Second Amended and 
Restated Airport Agreement); and
         WHEREAS, Lessor and Lessee deem it necessary and advisable to amend 
the Second Amended and Restated Airport Agreement in certain respects;
         NOW, THEREFORE, for and in consideration of the premises and of the 
mutual covenants and agreements herein contained, Lessor and Lessee agree as 
follows:
         Section 1.     Subparagraph (2) under the definition of "Revenue 
Requirement" in Article IIIB.1 of the Second Amended and Restated Airport 
Agreement is hereby deleted in its entirety and the following subparagraph 
(2) is hereby substituted in lieu thereof:
         "(2)  one hundred twenty-five percent (125%) of the amount of 
               principal and interest due (net of any capitalized interest) 
               for such Fiscal Year on all then outstanding Bonds, less any 
               unencumbered amounts on deposit in the Revenue Fund on the 
               last day of the Fiscal Year preceding such Fiscal Year that 
               are useable to satisfy the rate covenant requirements of any 
               bond ordinance under which Bonds were issued; provided that 
               amounts on deposit in the ACE Account that are transferred to 
               the Revenue Fund in Fiscal Year 1998 pursuant to the 
               requirements of the Bond Ordinance shall be deemed to have 
               been on deposit in the Revenue Fund on the last day of Fiscal 
               Year 1997; plus"
         Section 2.     Subparagraph (4) under the definition of "Revenue 
Requirement" in Article IIIB.1 of the Second Amended and Restated Airport 
Agreement is hereby deleted in its entirety and the following subparagraph 
(4) is hereby substituted in lieu thereof:
         "(4)  commencing in Fiscal Year 1999, an amount equal to $5 million 
               (which amount shall be escalated each Fiscal Year beginning in 
               Fiscal Year 2002
               to reflect percentage increases in the Producer Price Index 
               during the most recently ended 12-month period for which such 
               index is published) minus the amount, if any, deposited for 
               such Fiscal Year into the ACE Account; plus"
         Section 3.     Subparagraph (4) of Article IIIB.2(a) of the Second 
Amended and Restated Airport Agreement is hereby deleted in its entirety and 
the following subparagraph (4) is hereby substituted in lieu thereof:
         "(4)  Deposits shall be made into the Bond Reserve Account, the 
               Operation and Maintenance Reserve Fund and the Renewal and 
               Replacement Fund pursuant to the provisions of Ordinance 319 
               and into any other funds for similar purposes established 
               pursuant to other ordinances under which Bonds are issued;"
         Section 4.     The defined terms "Subordinate Bond Reserve Account," 
and "Reserve Fund" are hereby deleted from Article XXVIII of the Second 
Amended and Restated Airport Agreement.
         Section 5.     Exhibit G of the Second Amended and Restated Airport 
Agreement is hereby deleted in its entirety and Exhibit G attached to this 
Amendment is hereby substituted in lieu thereof and shall be incorporated 
in the Second Amended and Restated Airport Agreement as though fully set 
forth in the Second Amended and Restated Airport Agreement.
         Section 6.     Except to the extent amended by this Amendment, the 
Second Amended and Restated Airport Agreement remains unamended, and shall 
become effective as set forth therein.
         Section 7.     All references in notices, requests, certificates and 
other instruments executed and delivered after the date of effectiveness of 
this Amendment may refer to the Second Amended and Restated Airport Agreement 
without making specific reference to this Amendment, but such reference 
nevertheless shall be deemed to include this Amendment unless the context 
shall clearly otherwise require.
         Section 8.     This Amendment may be executed in several 
counterparts, each of which shall be an original and all of which shall 
constitute but one and the same instrument.
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IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be 
executed as of the day and year first above written.
                                       COUNTY OF ▇▇▇▇▇
                                       CHIEF EXECUTIVE OFFICER
                                       /s/ ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
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                                         ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
                                       NORTHWEST AIRLINES, INC.
                                       By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇
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                                          ▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇, VP
                                       Its: FACILITIES AND AIRPORT AFFAIRS
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